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@article{MZ_1985__189_173600, author = {Simon Fitzpatrick and Bruce Calvert}, title = {In a {Nonreflexive} {Space} the {Subdifferential} is {Not} {Onto.}}, journal = {Mathematische Zeitschrift}, pages = {555--560}, publisher = {mathdoc}, volume = {189}, year = {1985}, zbl = {0551.46024}, url = {http://geodesic.mathdoc.fr/item/MZ_1985__189_173600/} }
Simon Fitzpatrick; Bruce Calvert. In a Nonreflexive Space the Subdifferential is Not Onto.. Mathematische Zeitschrift, Tome 189 (1985), pp. 555-560. http://geodesic.mathdoc.fr/item/MZ_1985__189_173600/